summaryrefslogtreecommitdiff
path: root/net/tipc/node.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2021-03-29 15:56:48 +0200
committerIngo Molnar <mingo@kernel.org>2021-03-29 15:56:48 +0200
commitfeecb81732d8f271440d907beb082425e109f877 (patch)
treeaf55ca33d43cf3b3c2b82e9860df7d01be061a0f /net/tipc/node.c
parentbd9a5fc2edb0bdcb0756298daa31ddd6a02f0634 (diff)
parenta5e13c6df0e41702d2b2c77c8ad41677ebb065b3 (diff)
Merge tag 'v5.12-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/tipc/node.c')
-rw-r--r--net/tipc/node.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 008670d1f43e..136338b85504 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -2895,17 +2895,22 @@ int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb,
#ifdef CONFIG_TIPC_CRYPTO
static int tipc_nl_retrieve_key(struct nlattr **attrs,
- struct tipc_aead_key **key)
+ struct tipc_aead_key **pkey)
{
struct nlattr *attr = attrs[TIPC_NLA_NODE_KEY];
+ struct tipc_aead_key *key;
if (!attr)
return -ENODATA;
- *key = (struct tipc_aead_key *)nla_data(attr);
- if (nla_len(attr) < tipc_aead_key_size(*key))
+ if (nla_len(attr) < sizeof(*key))
+ return -EINVAL;
+ key = (struct tipc_aead_key *)nla_data(attr);
+ if (key->keylen > TIPC_AEAD_KEYLEN_MAX ||
+ nla_len(attr) < tipc_aead_key_size(key))
return -EINVAL;
+ *pkey = key;
return 0;
}